Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Reexamination Certificate
2006-09-26
2010-12-28
Nguyen, Tuan N (Department: 3751)
Baths, closets, sinks, and spittoons
Ventilation
Electric-motor pump
C004S216000
Reexamination Certificate
active
07856675
ABSTRACT:
This invention relates to the direct evacuation of malicious odor found within restroom toilets and urinals. This design is aesthetically appealing, multi-usable, professional grade solution that provides the removal of malicious odors from standard toilet bowls and urinals while not requiring additional routine maintenance or reoccurring filter costs further promoting a clean healthy hassle-free restroom facility. Moreover, this invention removes the prior art necessity of requiring a localized power source and provides protection against water from being drawn into the electrical exhaust system further protecting users from health hazards during operation. This device will function within multiple applications such as reservoir and pressurized systems that provide flushing pressure for toilets and urinals. This invention was designed to eliminate odor backflow within shared exhaust systems which prior art could not attain thus allowing this design to function within multiple inline unit configurations providing a no-nonsense cost-effective commercial integration into hotels, apartment complexes, and large-scale commercial buildings and developments.
REFERENCES:
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patent: 5738135 (1998-04-01), Johnson
patent: 5991933 (1999-11-01), Schaffer
patent: 6088845 (2000-07-01), Estrada
patent: 6370703 (2002-04-01), Kim et al.
patent: 6463595 (2002-10-01), Prisco
patent: 6694534 (2004-02-01), Stone
Couturier Alvin A.
Pullicino John Thomas
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